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1 //===- subzero/src/IceFixups.h - Assembler fixup kinds ----------*- C++ -*-===// | 1 //===- subzero/src/IceFixups.h - Assembler fixup kinds ----------*- C++ -*-===// |
2 // | 2 // |
3 // The Subzero Code Generator | 3 // The Subzero Code Generator |
4 // | 4 // |
5 // This file is distributed under the University of Illinois Open Source | 5 // This file is distributed under the University of Illinois Open Source |
6 // License. See LICENSE.TXT for details. | 6 // License. See LICENSE.TXT for details. |
7 // | 7 // |
8 //===----------------------------------------------------------------------===// | 8 //===----------------------------------------------------------------------===// |
9 // | 9 // |
10 // This file declares generic fixup types. | 10 // This file declares generic fixup types. |
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21 // Each target and container format has a different namespace of relocations. | 21 // Each target and container format has a different namespace of relocations. |
22 // This holds the specific target+container format's relocation number. | 22 // This holds the specific target+container format's relocation number. |
23 typedef uint32_t FixupKind; | 23 typedef uint32_t FixupKind; |
24 | 24 |
25 // Assembler fixups are positions in generated code/data that hold relocation | 25 // Assembler fixups are positions in generated code/data that hold relocation |
26 // information that needs to be processed before finalizing the code/data. | 26 // information that needs to be processed before finalizing the code/data. |
27 struct AssemblerFixup { | 27 struct AssemblerFixup { |
28 AssemblerFixup &operator=(const AssemblerFixup &) = delete; | 28 AssemblerFixup &operator=(const AssemblerFixup &) = delete; |
29 | 29 |
30 public: | 30 public: |
31 AssemblerFixup() : position_(0), kind_(0), value_(nullptr) {} | 31 AssemblerFixup() = default; |
32 AssemblerFixup(const AssemblerFixup &) = default; | 32 AssemblerFixup(const AssemblerFixup &) = default; |
33 intptr_t position() const { return position_; } | 33 intptr_t position() const { return position_; } |
34 void set_position(intptr_t Position) { position_ = Position; } | 34 void set_position(intptr_t Position) { position_ = Position; } |
35 | 35 |
36 FixupKind kind() const { return kind_; } | 36 FixupKind kind() const { return kind_; } |
37 void set_kind(FixupKind Kind) { kind_ = Kind; } | 37 void set_kind(FixupKind Kind) { kind_ = Kind; } |
38 | 38 |
39 RelocOffsetT offset() const; | 39 RelocOffsetT offset() const; |
40 IceString symbol(const GlobalContext *Ctx) const; | 40 IceString symbol(const GlobalContext *Ctx) const; |
41 | 41 |
42 static const Constant *NullSymbol; | 42 static const Constant *NullSymbol; |
43 bool isNullSymbol() const { return value_ == NullSymbol; } | 43 bool isNullSymbol() const { return value_ == NullSymbol; } |
44 | 44 |
45 void set_value(const Constant *Value) { value_ = Value; } | 45 void set_value(const Constant *Value) { value_ = Value; } |
46 | 46 |
47 void emit(GlobalContext *Ctx, RelocOffsetT BaseOffset) const; | 47 void emit(GlobalContext *Ctx, RelocOffsetT BaseOffset) const; |
48 | 48 |
49 private: | 49 private: |
50 intptr_t position_; | 50 intptr_t position_ = 0; |
51 FixupKind kind_; | 51 FixupKind kind_ = 0; |
52 const Constant *value_; | 52 const Constant *value_ = nullptr; |
53 }; | 53 }; |
54 | 54 |
55 typedef std::vector<AssemblerFixup> FixupList; | 55 typedef std::vector<AssemblerFixup> FixupList; |
56 typedef std::vector<AssemblerFixup *> FixupRefList; | 56 typedef std::vector<AssemblerFixup *> FixupRefList; |
57 | 57 |
58 } // end of namespace Ice | 58 } // end of namespace Ice |
59 | 59 |
60 #endif // SUBZERO_SRC_ICEFIXUPS_H | 60 #endif // SUBZERO_SRC_ICEFIXUPS_H |
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